from __future__ import unicode_literals

from allauth.socialaccount.providers.base import ProviderAccount
from allauth.socialaccount.providers.oauth2.provider import OAuth2Provider


class AzureAccount(ProviderAccount):

    # TODO:
    # - avatar_url:
    #   https://developer.microsoft.com/en-us/graph/docs/api-reference/beta/api/profilephoto_get  # noqa
    def get_username(self):
        return self.account.extra_data['email']

    def to_str(self):
        name = '{0} {1}'.format(self.account.extra_data.get('first_name', ''),
                                self.account.extra_data.get('last_name', ''))
        if name.strip() != '':
            return name
        return super(AzureAccount, self).to_str()


class AzureProvider(OAuth2Provider):
    id = str('azure')
    name = 'Azure'
    account_class = AzureAccount

    def get_default_scope(self):
        """
        Doc on scopes available at
        https://docs.microsoft.com/en-us/azure/active-directory/develop/active-directory-v2-scopes  # noqa
        """
        return ['User.Read', 'openid']

    def extract_uid(self, data):
        return str(data['id'])

    def extract_common_fields(self, data):
        email = data.get('mail')
        if not email and 'userPrincipalName' in data:
            email = data.get('userPrincipalName')
        return dict(email=email,
                    username=email,
                    last_name=data.get('surname'),
                    first_name=data.get('givenName'))


provider_classes = [AzureProvider]